CN219900858U - Ultrasonic welding fixture, rack and dual-system ultrasonic metal welding machine - Google Patents

Abstract

The utility model relates to an ultrasonic welding fixture, a rack and a dual-system ultrasonic metal welding machine, wherein the ultrasonic welding fixture comprises a base for installing a tool head, the base is provided with a base top plate, a welding hole, a first positioning groove for placing a first welding workpiece and a second positioning groove for placing a second welding workpiece are formed in the base top plate, and the first positioning groove and the second positioning groove are mutually communicated and arranged at two radial sides of the welding hole; the tool head can extend into the welding hole to weld the first welding workpiece and the second welding workpiece; the base is also provided with a first quick clamp and a second quick clamp, and the first quick clamp corresponds to the first positioning groove in position and is used for clamping a first welding workpiece; the second quick clamp corresponds to the position of the second positioning groove and is used for clamping the second welding workpiece. The utility model can realize accurate positioning and rapid clamping of the welding workpiece, thereby improving the efficiency of welding operation.

Description

Ultrasonic welding fixture, rack and dual-system ultrasonic metal welding machine

Technical Field

The utility model relates to the field of ultrasonic welding, in particular to an ultrasonic welding clamp, a frame and a double-system ultrasonic metal welding machine.

Background

With the rapid development of new energy industry, especially the wide popularization of new energy pure electric vehicles, the application of ultrasonic welding is also becoming wider and wider, for example, the welding of the wire harness and the terminal of the new energy electric vehicle, or the welding of the combined copper block and the aluminum block of the new energy battery module is mainly realized by using an ultrasonic metal welding machine.

According to the different quantity of the ultrasonic wave systems, there are single-system ultrasonic wave metal welding machines and double-system ultrasonic wave metal welding machines; the single-system ultrasonic metal welding machine only comprises one set of ultrasonic system, and the double-system ultrasonic metal welding machine comprises two sets of ultrasonic systems; the ultrasonic system comprises an ultrasonic generator and a welding assembly, wherein the welding assembly comprises a transducer, an amplitude transformer and a tool head which are connected in sequence; wherein the transducer converts ultrasonic energy from the ultrasonic generator into vibrational energy, the horn is used to amplify the amplitude, and the tool head transfers the vibrational energy to the weld location of two weld workpieces (e.g., a wire harness and a terminal) to effect welding of the two weld workpieces.

When the double-system ultrasonic metal welding machine is used for double-sided welding of welding workpieces, two welding workpieces are required to be positioned and clamped, and tool heads of two sets of welding assemblies are aligned up and down to ensure the welding effect. However, the existing clamping devices are either relatively complex in structure or cannot be positioned and clamped quickly, thereby reducing the efficiency of the welding operation.

Disclosure of Invention

The utility model aims to provide an ultrasonic welding fixture capable of accurately positioning and rapidly clamping so as to improve the efficiency of welding operation; meanwhile, the utility model also correspondingly provides an ultrasonic welding frame and a double-system ultrasonic metal welding machine.

In order to achieve the above object, the technical scheme of the ultrasonic welding fixture provided by the utility model is as follows:

an ultrasonic welding fixture comprises a base for mounting a tool head, wherein the base is provided with a base top plate, and a welding hole is formed in the base top plate;

the base top plate is also provided with a first positioning groove for placing a first welding workpiece and a second positioning groove for placing a second welding workpiece, and the first positioning groove and the second positioning groove are mutually communicated and arranged on two radial sides of the welding hole; the tool head can extend into the welding hole to weld the first welding workpiece and the second welding workpiece;

the base is also provided with a first quick clamp and a second quick clamp, and the first quick clamp corresponds to the first positioning groove in position and is used for clamping the first welding workpiece; the second quick clamp corresponds to the second positioning groove in position and is used for clamping the second welding workpiece.

As a preferable scheme, the base top plate comprises a base top plate main body, a first cushion block and a second cushion block, wherein a first mounting groove and a second mounting groove are formed in the base top plate main body; the first positioning groove is formed in the first cushion block, the first cushion block is mounted on the first mounting groove, the second positioning groove is formed in the second cushion block, and the second cushion block is mounted on the second mounting groove.

Preferably, the first positioning groove and the second positioning groove are coaxially arranged.

As a preferable scheme, the base is also provided with an adjusting mechanism, and the adjusting mechanism comprises a driver and an adjusting block which are in transmission connection; a sliding groove extending to the welding hole is further formed in the base top plate, and the extending direction of the sliding groove is perpendicular to the axes of the first positioning groove and the second positioning groove; the adjusting block is arranged in the sliding groove, and can move along the sliding groove under the driving of the driver so as to clamp the first welding workpiece and the second welding workpiece with each other.

Preferably, a first limiting block is further installed on the top plate of the base to limit displacement of the adjusting block in a direction of clamping the first welding workpiece and the second welding workpiece.

Preferably, a second limiting block is further arranged on the base top plate at one side of the welding hole, and the second limiting block is arranged between the first positioning groove and the second positioning groove so as to limit displacement of the first welding workpiece along the direction of the second positioning groove and/or limit displacement of the second welding workpiece along the direction of the first positioning groove.

As an optimal scheme, the first quick clamp is a push-pull type quick clamp, and the clamping groove of the first quick clamp is aligned with the first positioning groove, so that the first welding workpiece can sequentially penetrate into the clamping groove and the first positioning groove.

Preferably, the second quick clamp is a vertical quick clamp, and a pressure head of the second quick clamp is located above the second positioning groove and is used for clamping the second welding workpiece in cooperation with the second positioning groove.

The utility model correspondingly provides an ultrasonic welding frame, which is provided with the ultrasonic welding clamp in any scheme.

Preferably, the base is further provided with a base bottom plate positioned at the bottom and base side plates positioned at the sides; the base top plate, the base bottom plate and the base side plate enclose to form a containing cavity, and the tool head penetrates through the base side plate and is installed inside the containing cavity.

Preferably, the ultrasonic welding frame is provided with a frame bottom plate, and the base is arranged on the frame bottom plate; the base bottom plate comprises a first base bottom plate and a second base bottom plate; the first base bottom plate is provided with a first adjusting hole extending along a first direction, and the first base bottom plate is arranged on the second base bottom plate through the first adjusting hole; the second base bottom plate is provided with a second adjusting hole extending along a second direction, and the second base bottom plate is arranged on the frame bottom plate through the second adjusting hole; the first direction is perpendicular to the second direction.

As an optimal scheme, the second base bottom plate is also provided with a horizontal adjusting screw, and the top of the horizontal adjusting screw is propped against the bottom of the first base bottom plate.

As a preferable scheme, the base side plate is provided with a dust collection opening communicated with the accommodating cavity in a penetrating way.

The utility model correspondingly provides a double-system ultrasonic metal welding machine which comprises a first ultrasonic system, a second ultrasonic system and an ultrasonic welding frame in any scheme; the first ultrasonic system comprises a first welding assembly, the second ultrasonic system comprises a second welding assembly, and the first welding assembly and the second welding assembly are mounted on the ultrasonic welding frame; the tool head of the second welding assembly is arranged on the ultrasonic welding clamp, and the tool head of the first welding assembly is relatively positioned above the tool head of the second welding assembly.

The utility model has at least the following beneficial effects:

according to the ultrasonic welding clamp, the welding hole, the first positioning groove and the second positioning groove are formed in the top plate of the base, the first quick clamp and the second quick clamp are further arranged on the base, two welding workpieces can be placed into the first positioning groove and the second positioning groove respectively to achieve accurate positioning, and meanwhile the first quick clamp and the second quick clamp are used for clamping the two welding workpieces respectively, so that the tool head extending into the welding hole can weld the welding workpieces, and the efficiency of welding operation is greatly improved.

Correspondingly, the ultrasonic welding machine frame and the double-system ultrasonic metal welding machine provided by the utility model have the beneficial effects of the ultrasonic welding clamp.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the components of an ultrasound system in an embodiment.

Fig. 2 is a schematic diagram of the overall structure of an ultrasonic welding jig according to an embodiment.

Fig. 3 is a schematic exploded view of an ultrasonic welding jig according to an embodiment.

Fig. 4 is a schematic view of a portion of the structure in fig. 3.

Fig. 5 is a schematic exploded view of an ultrasonic welding jig according to the second embodiment.

Fig. 6 is a schematic diagram of the overall structure of an ultrasonic welding frame according to an embodiment.

Wherein, each of fig. 2 to 6 contains a first welding workpiece (wire harness) and a second welding workpiece (terminal) and a second welding assembly, and fig. 6 also contains a first welding assembly.

The attached drawings are identified: 100-ultrasonic generator, 200-welding assembly, 210-transducer, 220-horn, 230-tool head, 231-first tool head, 232-second tool head, 233-press, 310-first welding workpiece (wire harness), 320-second welding workpiece (terminal), 400-base, 410-base top plate, 411-first positioning slot, 412-second positioning slot, 413-welding hole, 414-slide slot, 415-base top plate body, 416-first spacer, 417-second spacer, 418-first mounting slot, 419-second mounting slot, 420-base bottom plate, 421-first base bottom plate, 422-second base bottom plate, 423-first adjustment hole, 424-second adjustment hole, 425-horizontal adjustment screw, 430-base side plate, 431-dust suction port, 440-first quick clamp, 441-clamp slot, 450-second quick clamp, 451-press head, 460-first stopper, 470-second stopper, 500-adjustment mechanism, 510-driver, 520-adjustment block, 600-base bottom plate, 421-first base bottom plate, 422-second base bottom plate, 423-first adjustment hole, 440-first quick clamp, 441-clamp slot, 450-second quick clamp, 451-first stopper, 470-second stopper, 500-adjustment mechanism, 510-driver, 520-driver, and 640-driver.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions in the embodiments of the present utility model are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "front", "rear", "side", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless specifically stated or limited otherwise, the terms "connected," "affixed," "disposed" and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be mechanically connected, can be directly connected or can be indirectly connected through an intermediate medium, and can be communicated with each other. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include one or more such feature. Unless explicitly specified otherwise.

According to the different quantity of the ultrasonic wave systems, there are single-system ultrasonic wave metal welding machines and double-system ultrasonic wave metal welding machines; the single-system ultrasonic metal welding machine only comprises one ultrasonic system, and the double-system ultrasonic metal welding machine comprises two ultrasonic systems.

Referring to fig. 1, an ultrasonic system generally includes an ultrasonic generator 100 and a welding assembly 200, the welding assembly 200 including a transducer 210, a horn 220, and a tool head 230 connected in sequence; wherein the transducer 210 converts ultrasonic energy from the ultrasonic generator 100 into vibrational energy, the horn 220 is used to amplify the amplitude, and the tool head 230 transfers the vibrational energy to the weld location of two welding workpieces (e.g., wire harness and terminal) to effect welding of the two welding workpieces.

The present embodiment provides an ultrasonic welding jig for a tool head for installing a welding assembly, which may be used in some single-system ultrasonic metal welders and may also be used in dual-system ultrasonic metal welders, but may be used in dual-system ultrasonic metal welders to advantage, and thus, the present embodiment will be mainly described by taking an application to dual-system ultrasonic metal welders as an example.

For convenience of description, the welding components of the two sets of ultrasonic systems of the dual-system ultrasonic metal welding machine are distinguished by naming a first welding component and a second welding component respectively, and tool heads of the two sets of welding components are usually positioned at two sides (including left and right sides or upper and lower sides, which are respectively positioned above and below the welding position in the embodiment for example) of a welding position of a welding workpiece so as to weld the two sides of the welding workpiece; referring to fig. 6, the welding assembly located above is referred to as a first welding assembly, the tool head thereof is referred to as a first tool head 231, the welding assembly located below is referred to as a second welding assembly, and the tool head thereof is referred to as a second tool head 232.

For convenience of description, two welding workpieces are distinguished in terms of nomenclature, namely a first welding workpiece 310 and a second welding workpiece 320, wherein the first welding workpiece 310 is exemplified by a wire harness, and the second welding workpiece 320 is exemplified by a terminal.

Referring to fig. 2 to 5 together, the present embodiment provides an ultrasonic welding fixture, which includes a base 400 for mounting a tool head (for example, a second tool head 232), the base 400 having a base top plate 410, and the base top plate 410 having a welding hole 413.

The base top plate 410 is also provided with a first positioning slot 411 for placing the first welding workpiece 310 and a second positioning slot 412 for placing the second welding workpiece 320, and the first positioning slot 411 and the second positioning slot 412 are mutually communicated and arranged at two radial sides of the welding hole 413; the tool bit can extend into the weld hole 413 to weld the first and second weld workpieces 310, 320.

One structure of the base top plate 410 is shown in fig. 4, and includes a base top plate main body 415, a first cushion block 416 and a second cushion block 417, wherein a first mounting groove 418 and a second mounting groove 419 are formed on the base top plate main body 415; wherein, the first positioning slot 411 is opened on the first pad 416, the first pad 416 is installed on the first installation slot 418, the second positioning slot 412 is opened on the second pad 417, and the second pad 417 is installed on the second installation slot 419. Thus, the first pad 416 and the second pad 417 can be replaced according to the wire harness and the terminal of different specifications, without replacing the entire base top plate 410, thereby improving versatility and reducing cost.

It should be understood that in other embodiments, the base top plate 410 may be an integrally formed or a single piece of plate, and the first positioning slot 411 and the second positioning slot 412 may be formed directly on the surface of the base top plate 410.

The base 400 is further provided with a first quick clamp 440 and a second quick clamp 450, wherein the first quick clamp 440 corresponds to the first positioning slot 411 in position and is used for clamping the first welding workpiece 310; the second quick clamp 450 corresponds to the position of the second detent 412 for clamping the second welding workpiece 320.

In the ultrasonic welding fixture of this embodiment, since the base top plate 410 is provided with the welding hole 413, the first positioning slot 411 and the second positioning slot 412, the base 400 is further provided with the first quick clamp 440 and the second quick clamp 450, and the first welding workpiece 310 and the second welding workpiece 320 can be respectively placed in the first positioning slot 411 and the second positioning slot 412 to achieve accurate positioning, and meanwhile, the first welding workpiece 310 and the second welding workpiece 320 are respectively clamped quickly by the first quick clamp 440 and the second quick clamp 450, so that the tool head (the second tool head 232) extending into the welding hole 413 can weld the first welding workpiece 310 and the second welding workpiece 320, thereby greatly improving the efficiency of the welding operation.

Preferably, the first and second positioning slots 411 and 412 are coaxially disposed, which allows for quick and accurate alignment for two welding workpieces requiring a tighter alignment, such as a wire harness and a terminal.

Further, an adjusting mechanism 500 is further installed on the base 400, and the adjusting mechanism 500 includes a driver 510 and an adjusting block 520 which are in transmission connection; the top plate 410 of the base is also provided with a chute 414 extending to the welding hole 413, and the extending direction of the chute 414 is perpendicular to the axes of the first positioning slot 411 and the second positioning slot 412; the adjustment block 520 is mounted in the chute 414, and the adjustment block 520 is movable along the chute 414 under the driving of the driver 510 to clamp the first welding workpiece 310 and the second welding workpiece 320 to each other. Specifically, the actuator 510 of the present embodiment uses an air cylinder, and in other embodiments, a driving mechanism such as a hydraulic cylinder or an electric cylinder may be used.

Therefore, by providing the adjustment mechanism 500, the welding positions of the first welding workpiece 310 and the second welding workpiece 320 can be adjusted and clamped. Further, a first stopper 460 is also mounted on the base top plate 410 to limit displacement of the adjustment block 520 in a direction of clamping the first welding workpiece 310 and the second welding workpiece 320 (i.e., in a direction of the welding hole 413).

Further, a second limiting block 470 is further disposed on the base top plate 410 at one side of the welding hole 413, and the second limiting block 470 is disposed between the first positioning slot 411 and the second positioning slot 412 to limit the displacement of the first welding workpiece 310 along the second positioning slot 412, and of course, the second limiting block 470 can also limit the displacement of the second welding workpiece 320 along the first positioning slot 411.

Therefore, the welding position of the first welding workpiece 310 and/or the second welding workpiece 320 can be accurately positioned by providing the second stopper 470. In this embodiment, the first welding workpiece 310 is a wire harness, the second welding workpiece 320 is a terminal, and the first positioning slot 411, the welding hole 413 and the second positioning slot 412 together form a positioning channel, so that the second limiting block 470 can limit the length of the wire harness extending into the positioning channel, so as to realize accurate positioning of the welding position.

Preferably, the first quick clamp 440 is a push-pull type quick clamp, and the clamping groove 441 of the first quick clamp 440 is aligned with the first positioning groove 411, so that the first welding workpiece 310 can sequentially penetrate into the clamping groove 441 and the first positioning groove 411. Meanwhile, the second quick clamp 450 is a vertical quick clamp, and the pressure head 451 of the second quick clamp 450 is located above the second positioning slot 412 and is used for clamping the second welding workpiece 320 in cooperation with the second positioning slot 412.

Wherein, the push-pull type quick clamp adopted by the first quick clamp 440 is equivalent to extending the length of the first positioning slot 411, and can provide better support for the first welding workpiece 310 (wire harness); when in use, the first welding workpiece 310 can be clamped by pushing the push-pull rod of the first quick clamp 440 to the top point, and the clamping of the first welding workpiece 310 can be released by pulling the push-pull rod of the first quick clamp 440 to the lowest point. The second quick clamp 450 adopts a vertical quick clamp, and the pressure head 451 of the second quick clamp and the second positioning groove 412 can form a clamping groove for the second welding workpiece 320, so that the structure is simpler; in use, the second welding workpiece 320 is clamped by pushing the push-pull rod of the second quick clamp 450 to the top point, and the second welding workpiece 320 is clamped by pulling the push-pull rod of the first quick clamp 450 to the bottom point. The structure and working principle of the push-pull type quick clamp and the vertical type quick clamp are the prior art, and are not described herein. Of course, in other embodiments, the first and second quick clamps 440, 450 may be replaced with other forms of quick clamps.

Preferably, the base 400 also has a base bottom plate 420 at the bottom and base side plates 430 at the sides; the base top plate 410, the base bottom plate 420 and the base side plate 430 enclose a receiving cavity, and the tool head passes through the base side plate 430 and is mounted in the receiving cavity. Therefore, the accommodating cavity can also accommodate dust and scraps generated in the welding process, so that the welding machine is more environment-friendly.

As a preferred solution, the base side plate 430 is provided with a dust suction opening 431 communicated with the accommodating cavity, and dust and chips generated in the welding process can be sucked away from the dust suction opening 431 by adding a dust suction device, so that the quality of the product is not affected.

The main operation procedure of the ultrasonic welding jig of the present embodiment is referred to as follows:

(1) The first and second quick clamps 440 and 450 are opened, respectively;

(2) Placing a second welding workpiece 320 (terminal) in the second positioning groove 412, and operating the second quick clamp 450 to press the second welding workpiece 320;

(3) Placing a first welding workpiece 310 (wire harness) in the first positioning slot 411, and operating the first quick clamp 440 to press the first welding workpiece 310;

(4) The welding position is adjusted by the adjusting mechanism 500, namely, the driver 510 pushes the adjusting block 520 to tightly prop up the welding position of the first welding workpiece 310 and the second welding workpiece 320;

(5) The welding is performed by the tool head against the welding positions of the first welding workpiece 310 and the second welding workpiece 320.

Referring to fig. 6, the present embodiment further provides an ultrasonic welding frame 600, which is provided with the ultrasonic welding fixture according to any one of the above embodiments. The ultrasonic welding frame 600 has a frame bottom plate 610, and the base 400 is mounted on the frame bottom plate 610; the base bottom plate 420 includes a first base bottom plate 421 and a second base bottom plate 422; the first base bottom plate 421 has a first adjustment hole 423 extending in a first direction, and the first base bottom plate 421 is mounted on the second base bottom plate 422 through the first adjustment hole 423; the second base bottom plate 422 has a second adjustment hole 424 extending in a second direction, and the second base bottom plate 422 is mounted on the frame bottom plate 610 through the second adjustment hole 424; the first direction is perpendicular to the second direction. Specifically, in this embodiment, the opposite directions of the tool bit and the transducer in the second welding assembly are respectively the front-back directions, and the second direction is the front-back direction, and the first direction is the left-right direction.

In this embodiment, the first adjustment hole 423 and the second adjustment hole 424 may be kidney-shaped holes, the positions of the first base bottom plate 421 and the second base bottom plate 422 are adjusted, and then screws sequentially pass through the first adjustment hole 423 and the second adjustment hole 424 to fix the first base bottom plate 421 and the second base bottom plate 422 on the frame bottom plate 610.

Thus, the present embodiment may enable fore-aft and/or side-to-side position adjustment of the tool head by adjusting the position of the first base plate 421 and/or the second base plate 422.

Further, a horizontal adjusting screw 425 is further installed on the second base bottom plate 422, and the top of the horizontal adjusting screw 425 is propped against the bottom of the first base bottom plate 421. This embodiment mounts 4 horizontal adjustment screws 425 in four orientations of the second base floor 422. Therefore, by adjusting the height of each horizontal adjustment screw 425, the levelness adjustment of the first base bottom plate 421 can be achieved, thereby achieving the levelness adjustment of the tool head.

Referring again to fig. 6, the present embodiment also provides a dual-system ultrasonic metal welding machine, which includes a first ultrasonic system and a second ultrasonic system, and the above-mentioned ultrasonic welding frame 600; the first ultrasonic system includes a first welding assembly, the second ultrasonic system includes a second welding assembly, the first welding assembly (first tool head 231) and the second welding assembly (second tool head 232) are mounted on the ultrasonic welding frame 600; wherein the second tool head 231 is mounted on the ultrasonic welding jig, and the first tool head 231 is located above the second tool head 232.

As a reference scheme for mounting the first tool head 231: the ultrasonic welding frame 600 is provided with a driving cylinder 620, a pressure sensor 630, a guide rail 640, a sliding mounting plate 650 and other components; wherein the guide rail 640 is fixed on the ultrasonic welding frame 600, the sliding mounting plate 650 is slidably mounted on the guide rail 640, the first tool head 231 generally has a pressing piece 233 thereon, and the pressing piece 233 is fixedly connected with the sliding mounting plate 650; the driving cylinder 620 is installed at the top of the ultrasonic welding frame 600, and the pressure sensor 630 is installed between the output end of the driving cylinder 620 and the sliding mounting plate 650 to ensure that the driving cylinder 620 outputs a constant and accurate pressure demand each time during welding.

When the first welding workpiece 310 and the second welding workpiece 320 are welded, the second tool head 232 can be moved to a position aligned with the first tool head 231 in the middle and kept parallel to the first tool head 231 by adjusting the positions of the first base bottom plate 421 and the second base bottom plate 422 and the heights of the horizontal adjusting screws 425, and the driving cylinder 620 drives the first tool head 231 to move downwards through the sliding mounting plate 650 and the pressing piece 233 in sequence until the welding positions of the first welding workpiece 310 and the second welding workpiece 320 are pressed, so that welding can be performed.

The two ultrasonic systems of this embodiment are independent, and do not interfere with each other, and when welding, appropriate wave generation time, welding mode (energy mode, time mode) and welding parameters (welding amplitude, pressure, time, etc.) can be selected according to different welding requirements.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (14)

1. An ultrasonic welding fixture comprises a base for mounting a tool head, and is characterized in that the base is provided with a base top plate, and a welding hole is formed in the base top plate;

the base top plate is also provided with a first positioning groove for placing a first welding workpiece and a second positioning groove for placing a second welding workpiece, and the first positioning groove and the second positioning groove are mutually communicated and arranged on two radial sides of the welding hole; the tool head can extend into the welding hole to weld the first welding workpiece and the second welding workpiece;

the base is also provided with a first quick clamp and a second quick clamp, and the first quick clamp corresponds to the first positioning groove in position and is used for clamping the first welding workpiece; the second quick clamp corresponds to the second positioning groove in position and is used for clamping the second welding workpiece.

2. The ultrasonic welding fixture of claim 1, wherein the base top plate comprises a base top plate body, a first cushion block and a second cushion block, and the base top plate body is provided with a first mounting groove and a second mounting groove; the first positioning groove is formed in the first cushion block, the first cushion block is mounted on the first mounting groove, the second positioning groove is formed in the second cushion block, and the second cushion block is mounted on the second mounting groove.

3. The ultrasonic welding fixture of claim 1, wherein the first detent and the second detent are coaxially disposed.

4. The ultrasonic welding fixture of claim 3, wherein the base is further provided with an adjusting mechanism, and the adjusting mechanism comprises a driver and an adjusting block which are in transmission connection; a sliding groove extending to the welding hole is further formed in the base top plate, and the extending direction of the sliding groove is perpendicular to the axes of the first positioning groove and the second positioning groove; the adjusting block is arranged in the sliding groove, and can move along the sliding groove under the driving of the driver so as to clamp the first welding workpiece and the second welding workpiece with each other.

5. The ultrasonic welding fixture of claim 4, wherein a first stop is further mounted to the base top plate to limit displacement of the adjustment block in a direction to clamp the first and second weld workpieces.

6. The ultrasonic welding jig of claim 1, wherein a second stopper is further provided on the base top plate on one side of the welding hole, the second stopper being provided between the first positioning groove and the second positioning groove to define displacement of the first welding workpiece in the direction of the second positioning groove and/or to define displacement of the second welding workpiece in the direction of the first positioning groove.

7. The ultrasonic welding jig of claim 1, wherein the first quick clamp is a push-pull quick clamp, and wherein a clamping groove of the first quick clamp is aligned with the first positioning groove so that the first welding workpiece can sequentially penetrate into the clamping groove and the first positioning groove.

8. The ultrasonic welding fixture of claim 1, wherein the second quick clamp is a vertical quick clamp, and a ram of the second quick clamp is located above the second positioning slot for clamping the second welding workpiece in cooperation with the second positioning slot.

9. An ultrasonic welding frame, characterized in that an ultrasonic welding jig according to any one of claims 1 to 8 is mounted.

10. The ultrasonic welding frame of claim 9, wherein the base further has a base floor at the bottom and base side panels at the sides; the base top plate, the base bottom plate and the base side plate enclose to form a containing cavity, and the tool head penetrates through the base side plate and is installed inside the containing cavity.

11. The ultrasonic welding frame of claim 10, wherein the ultrasonic welding frame has a frame floor, the base being mounted on the frame floor; the base bottom plate comprises a first base bottom plate and a second base bottom plate; the first base bottom plate is provided with a first adjusting hole extending along a first direction, and the first base bottom plate is arranged on the second base bottom plate through the first adjusting hole; the second base bottom plate is provided with a second adjusting hole extending along a second direction, and the second base bottom plate is arranged on the frame bottom plate through the second adjusting hole; the first direction is perpendicular to the second direction.

12. The ultrasonic welding frame of claim 11, wherein a horizontal adjustment screw is further mounted to the second base plate, the top of the horizontal adjustment screw being in abutment with the bottom of the first base plate.

13. The ultrasonic welding frame of claim 10, wherein the base side plate is provided with a dust suction opening in communication with the receiving cavity.

14. A dual system ultrasonic metal welder comprising a first ultrasonic system and a second ultrasonic system, and an ultrasonic welding frame of any one of claims 9-13; the first ultrasonic system comprises a first welding assembly, the second ultrasonic system comprises a second welding assembly, and the first welding assembly and the second welding assembly are mounted on the ultrasonic welding frame; the tool head of the second welding assembly is arranged on the ultrasonic welding clamp, and the tool head of the first welding assembly is relatively positioned above the tool head of the second welding assembly.